Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488210 | Disc-shaped counter in the form of a plastic ring with a filler piece | Christian Schumi | 2002-12-03 |
| 6372320 | Disc-like plastic body with inlay portion | Christian Schumi, Josef Pallanits | 2002-04-16 |